Dear ------(who)，     We are very honored to receive your invitation to call on your company on Wednesday afternoon, September 1st, 2010. Please accept our sincere thanks.     During the visit, We had a preliminary and necessary communication on the basic items and related information of mutual cooperation . We now have a better understanding of your needs and will soon submit another proposal for your expect to have it ready by _________ Again, thank you for the pleasant visit.     Yours sincerely,     -----------（name）     -----------（title)
给敬爱的'老师的一封感谢信